A ______ person always tries to finish the job, no matter how hard it is.

I wish you'd do ______ talking and some more work. Thus things will become better.

I have been convinced that the print media are usually more ____and more reliable than television．

As we know, Jean is a       investor（投资者）who studies the market before he buys things. 

Tom is________ than any other players in the school team．